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Tomu Miura as Kota (voice) |
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梅津秀行 as Endo (voice) |
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川中子雅人 as Kato (voice) |
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Taro Masuoka as Ota (voice) |
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Yasuhiro Takato as Kusuke (voice) |
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菊地ゆうみ as Yoshie (voice) |
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田原アルノ as Ship Captain (voice) |
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Fumiko Orikasa as Narrator (voice) |
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翠準子 as Mom Whale (voice) |
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茂呂田かおる as Baby Whale A (voice) |
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成田剣 as Dolphin B (voice) |
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塩屋浩三 as Teacher (voice) |
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大塚みずえ as Umeko (voice) |
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仲木隆司 as Blue Sea Turtle (voice) |
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渋谷茂 as Dolphin A (voice) |
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Shino Kakinuma as Baby Whale B (voice) |
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Takeshi Kusao as Orca (voice) |
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若菜よう子 as Baby Whale C (voice) |
| Sound | Masae Sagara | Original Music Composer |
| Production | 増子相二郎 | Producer |
| Camera | Tomohiro Kaneko | Director of Photography |
| Sound | 大熊昭 | Sound Director |
| Directing | やすみ哲夫 | Director |
| Production | Kumi Ogura | Producer |
| Editing | 岡安肇 | Editor |
| Art | Mariko Tazaki | Art Direction |
| Visual Effects | 関修一 | Character Designer |
| Production | Jun Kaji | Producer |
| Visual Effects | 宮本陽子 | Color Designer |
| Production | 加藤良雄 | Producer |
| Visual Effects | 大武正枝 | Animation Director |
| Art | 西田稔 | Art Direction |
| Sound | 武藤晶子 | Sound Effects |
| Writing | Akiyuki Nosaka | Original Story |
| Writing | 藤本信行 | Writer |
| Production | 木村純一 | Producer |
